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-rw-r--r--Documentation/virt/kvm/mmu.rst11
1 files changed, 4 insertions, 7 deletions
diff --git a/Documentation/virt/kvm/mmu.rst b/Documentation/virt/kvm/mmu.rst
index 5bfe28b0728e..f60f5488e121 100644
--- a/Documentation/virt/kvm/mmu.rst
+++ b/Documentation/virt/kvm/mmu.rst
@@ -171,8 +171,8 @@ Shadow pages contain the following information:
shadow pages) so role.quadrant takes values in the range 0..3. Each
quadrant maps 1GB virtual address space.
role.access:
- Inherited guest access permissions in the form uwx. Note execute
- permission is positive, not negative.
+ Inherited guest access permissions from the parent ptes in the form uwx.
+ Note execute permission is positive, not negative.
role.invalid:
The page is invalid and should not be used. It is a root page that is
currently pinned (by a cpu hardware register pointing to it); once it is
@@ -180,8 +180,8 @@ Shadow pages contain the following information:
role.gpte_is_8_bytes:
Reflects the size of the guest PTE for which the page is valid, i.e. '1'
if 64-bit gptes are in use, '0' if 32-bit gptes are in use.
- role.nxe:
- Contains the value of efer.nxe for which the page is valid.
+ role.efer_nx:
+ Contains the value of efer.nx for which the page is valid.
role.cr0_wp:
Contains the value of cr0.wp for which the page is valid.
role.smep_andnot_wp:
@@ -192,9 +192,6 @@ Shadow pages contain the following information:
Contains the value of cr4.smap && !cr0.wp for which the page is valid
(pages for which this is true are different from other pages; see the
treatment of cr0.wp=0 below).
- role.ept_sp:
- This is a virtual flag to denote a shadowed nested EPT page. ept_sp
- is true if "cr0_wp && smap_andnot_wp", an otherwise invalid combination.
role.smm:
Is 1 if the page is valid in system management mode. This field
determines which of the kvm_memslots array was used to build this